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[ARM] Move ice-dcc code into misc.c

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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-03-28 10:34:05 +01:00 committed by Russell King
parent a081568d70
commit de4533a04e
3 changed files with 14 additions and 22 deletions
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4
arch/arm/boot/compressed/Makefile
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@ -50,10 +50,6 @@ ifeq ($(CONFIG_ARCH_AT91RM9200),y)
OBJS += head-at91rm9200.o
endif
ifeq ($(CONFIG_DEBUG_ICEDCC),y)
OBJS += ice-dcc.o
endif
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
OBJS += big-endian.o
endif

17
arch/arm/boot/compressed/ice-dcc.S
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@ -1,17 +0,0 @@
.text
.global icedcc_putc
icedcc_putc:
mov r2, #0x4000000
1:
subs r2, r2, #1
movlt pc, r14
mrc p14, 0, r1, c0, c0, 0
tst r1, #2
bne 1b
mcr p14, 0, r0, c1, c0, 0
mov pc, r14

15
arch/arm/boot/compressed/misc.c
View File

@ -30,7 +30,20 @@ static void putstr(const char *ptr);
#include <asm/arch/uncompress.h>
#ifdef CONFIG_DEBUG_ICEDCC
extern void icedcc_putc(int ch);
static void icedcc_putc(int ch)
{
int status, i = 0x4000000;
do {
if (--i < 0)
return;
asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
} while (status & 2);
asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch));
}
#define putc(ch) icedcc_putc(ch)
#define flush() do { } while (0)
#endif